Cordium started off as a very basic way to view states so that we could debug more quickly and easily (a lot more easily than going to the corda shell each time), and perhaps more importantly, a way to demonstrate to the techies who weren’t involved in the coding what was actually happening to each node – what their view of the ledger was. And as we used this tool, we found that we could integrate other useful bits that would often require a developer to jump from tool to tool in order to confirm what should be happening inside the node (for example, from the shell to a JDBC viewer, to the logfiles, to an IDE etc etc).  And so it evolved…